Ensuring Your Equipment Keeps Going Strong

Experience Matters With Hawthorne Cat

With over 60 years of industry experience, Hawthorne Cat offers an outstanding service department that delivers the best customer experience in the industry. Our certified Cat technicians are trained to service all Cat products and other brand name equipment.

Hawthorne’s service team recently won the Caterpillar Award for Outstanding Customer Service, receiving the highest rating of any construction service provider in the country.


Cat Parts

Customer Value Agreements

S.O.S Oil Analysis

State-of-the-Art Service Facilities

24-Hour Service

Choose Parts.Cat.Com for Cat Parts

Parts.Cat.Com has over 1.4 million Cat certified parts in stock. Customers are able to pre-order parts online through Parts.Cat.Com. And our fleet of 30 service trucks are available to ensure your equipment is ready to go when you are. Hawthorne Cat’s goal is to make maintaining your equipment as easy as it was buying it in the first place.

Customer Value Agreements = Good Value

By properly maintaining your equipment with a Customer Value Agreement (CVA), you can maximize uptime and prevent issues before failure, saving you time and money. Our experienced Service team can customize a maintenance solution that will meet the specific needs of your business.

Fluids, Filters & More

Hawthorne Cat is your one-stop shop for outstanding service and support for all of your equipment. We are a full-service provider for bulk and packaged fluids for all makes and models and can provide S.O.S. Oil Analysis for all major oil-lubricated systems (engine, transmission, hydraulic system, and final drives). Our team can perform detailed walk-around inspections and review critical equipment data for recommendations to maximize uptime.

State-of-the-Art Service Facilities

Our main service center in San Diego, California has over 50,000 square feet of floor space with 36 service bays. Hawthorne is one of only a few service facilities in Southern California with engine and transmission dynamometers. Our facilities showcase metal lathes, a hydraulic cylinder bench that can torque up to 30,000 foot / lbs., line boring services, a stress relief machine, paint booths, end mills, auto welders and the capability to re-shape and re-skin moldboards, dozer blades and buckets.

Working for You

Whether you live in San Diego, the Hawaiian Islands or the Pacific Region, you can count on Hawthorne Cat to be there to provide the service and support you need. Call 800.437.4228 to reach one of our expert parts and service team members for assistance.

After Hours Support

Whether the power goes off at 3 am or your excavator needs service during your night time project, the parts and service team at Hawthorne Cat is here for you – 24 hours a day, 7 days a week, 365 days a year. Our experienced, certified technicians will provide you with the after hours service and the Cat certified parts you need to get you up and running in no time.

San Diego Service After Hours
Machinery Service | 858.583.6336
Power Systems – Marine/Engine/Generator Service | 858.376.6800

Hawaii Service After Hours
Waipahu Service | 808.265.1863
Hilo Service | 808.721.2025
Kona Service | 808.765.4421
Kauai Service | 808.212.6744
Maui Service | 808.520.0222

Guam Service After Hours | 671.898.2735
Saipan Service After Hours | 670.287.6900
American Samoa Service After Hours | 684.258.8355




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When it comes to heavy equipment, it's a fact that they will need regular service and maintenance in order to keep going strong. It does you almost no good to purchase a new or used piece of machinery and have no one to help you when it goes down.

Here at Hawthorne Cat, we pride ourselves on knowing your every need is met, from the moment you inquire about a Caterpillar machine to the moment you sell it — and all the moments in-between when you need help. Our service department excels at diagnosing, troubleshooting, and repairing your Cat heavy machinery so you can get back to work. We understand that down time is money out the door, so we work diligently on solving your issue.

If you are looking for new, used, or rental heavy equipment in San Diego, Hawaii, American Samoa, or Saipan, Hawthorne Cat is the trusted name for quality, reliability, performance, and customer care. Contact one of our Cat dealers today!